Locking sleeve for Cobalt Series cables, with 16-mm flats to make installation and removal easier. ・Compatible with any of our Cobalt Series Cables and our Cobalt Series Dummy Plug. It is also used in the Regular size of the Cobalt Series Cable Termination Kits. ・Precision-machined, corrosion-free acetal ・Diamond knurled outer surface ・M16 X 1.5 thread ・16 mm flats SKU: COB-1001 <Download> - Quick Guide to Cobalt Connectors → https://www.bluetrailengineering.com/post/a-quick-guide-to-cobalt-connectors-with-lots-of-pictures - Need CAD files? Please see the Resources page. → https://www.bluetrailengineering.com/resources